Lewiston Monitors Drainage After Heavy Rainfall

City crews address standing water issues as stormwater systems struggle to keep up.

Mar. 14, 2026 at 6:53am

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Recent heavy rainfall in Lewiston, Idaho has led to standing water in some areas as the city's stormwater drainage systems work to handle the increased runoff. City officials are monitoring the situation and addressing problem areas, including responding to an overflowing pond that threatened nearby properties.

Why it matters

Localized flooding from heavy rainfall can pose risks to public safety and private property. Lewiston's efforts to monitor drainage and improve stormwater infrastructure aim to mitigate these issues and better prepare the city for future heavy rain events.

The details

More than 0.34 inches of rain fell in Lewiston within a 24-hour period, straining the city's stormwater systems and leading to pooling water in streets, parks, and other low-lying areas. The Public Works Department has been responding to problem areas, including draining an overflowing pond along Alder Avenue to prevent nearby flooding. Lewiston is funding stormwater improvement projects through its Utility to enhance drainage infrastructure and reduce flood risks.

  • On March 13, 2026, more than 0.34 inches of rain fell in Lewiston within a 24-hour period.
  • City crews recently responded to an overflowing pond along Alder Avenue.

The players

City of Lewiston

The local government of Lewiston, Idaho, responsible for managing the city's stormwater systems and infrastructure.

Lewiston Public Works Department

The city department tasked with monitoring drainage, addressing flooding issues, and overseeing stormwater improvement projects.

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What’s next

City staff will continue monitoring rainfall totals, water levels, and drainage systems in the coming days.

The takeaway

Lewiston's efforts to improve its stormwater infrastructure and respond quickly to flooding issues demonstrate the city's commitment to mitigating the risks posed by heavy rainfall and protecting public safety and private property.